Read: 4 min In a country that rarely owns the core technology behind major global industries, Canada’s nuclear sector stands out as a notable exception. The CANDU — short for Canada Deuterium Uranium — is a heavy-water nuclear reactor first developed in the 1950s and 1960s through a partnership between Canadian governments and industry. Today, CANDU reactors are used both in Canada and five countries abroad, including China, India and South Kor…